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Artist 52 [7]
2 years ago
15

If x = 6 and y = -4, evaluate 3x2 - 5y

Mathematics
2 answers:
guajiro [1.7K]2 years ago
8 0

Answer:

the answer is 56

Step-by-step explanation:

3×6×2= 36 and 5×-4=-20. 36-(-20) is 56

Elza [17]2 years ago
3 0

Answer:

solution = 128

Step-by-step explanation:

if x = 6 , y = -4

then,

  • ( 3 × 6 × 6 ) - ( 5 × -4 )
  • 108 + 20
  • 128
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Answer:

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Step-by-step explanation:

4 0
3 years ago
At Emily’s closet 1/3 of the cloths are white and 1/5 are black what. What fraction of Emilly’s clothes are black and white ?
vfiekz [6]

8/15

  1. Since 1/5 and 1/3 have different denominators, they cannot be added directly.
  2. Multiply the denominators (5×3=15)
  3. Multiply each with the other denominator 3×(1/5)=3/15, 5×(1/3)=5/15
  4. Now, 3/15 +5/15=8/15
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3 years ago
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Suppose you toss a coin 100 times and get 59 heads and 41 tails. based on these​ results, what is the probability that the next
Liono4ka [1.6K]
The probability is 59/100
3 0
3 years ago
1. ∠XVR =
Lelechka [254]

Answer/Step-by-step explanation:

1. ∠XVR = 180 - <XVW (angle on a straight line)

∠XVR = 180 - 55°

∠XVR = 125°

2. ∠RVS = <XVW (Vertical angles are congruent)

∠RVS = 55°

3. ∠WVS = ∠XVR (vertical angles are congruent)

∠WVS = 125°

4. ∠RST = <R + <RVS (exterior angle theorem)

<RST = 55 + 55

<RST = 110°

5. ∠RSV = 180 - (<R + <RVS) (sum of triangle)

∠RSV = 180 - (55 + 55)

∠RSV = 70°

6. ∠VSU = <RST (vertical angles are congruent)

<VSU = 70°

7. ∠UST = <RSV (vertical angles)

<UST = 70°

8. ∠TUS = 180 - (<UST + <T) (sum of triangle)

<TUS = 180 - (70 + 71)

<TUS = 39°

6 0
3 years ago
A computer is on sale for 80% of the original price. If the computer originally cost $400, what is its sale price?
Dominik [7]

Answer:

$320

Step-by-step explanation:

400*0.8(decimal form of 80%) = 320

4 0
2 years ago
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